I have 2 dome MH
light fixtures. The bulb in it says hamilton tech true 10,000 k MH
175 w/u 127. Can anyone tell me what the w/u means and the 127? Im pretty sure the w means watts. But idk the u. Also does anyone know what the are worth? I couldnt really find anything online that looked like them. Please if anyone knows or has experience with them please reply.